Migrating from PHP 5.3.x to PHP 5.4.x
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New features

PHP 5.4.0 offers a wide range of new features:


Migrating from PHP 5.3.x to PHP 5.4.x
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PHP手册 - N: New features

用户评论:

Anonymous (22-Oct-2011 04:50)

The keyword 'insteadof' is introduced with PHP 5.4 http://php.net/language.oop5.traits.php